Back M31Andromeda Galaxy Click to display the full resolution Object InfoTypeSpiral GalaxyConstellationAndromedaDistance2,900,000 ly Capture DetailsDateOctober 30, 2004LocationCarlsbad, CAExposureLum 1x10 (bin 1x1), R 4x10, G 2x10, B 2x10 (bin 2x2) EquipmentOpticsCelestron C11 Carbon Fiber SCT w/XLTFocal Length1764mm @f/6.3MountCelestron CGECameraSBIG ST-2000XMFocuserOptec TCF-SFiltersCFW8A, SBIG LRGBSoftwareCCDSoft, Photoshop